Tire tread



FIG. 1 is a perspective view of the tire tread of my design;

FIG. 2 is a front elevation view of the tire tread of my design;

FIG. 3 is a left side elevation view of the tire tread of my design;

FIG. 4 is a right side elevation view of the tire tread of my design; and,

FIG. 5 is an enlarged, partial view of FIG. 1.

In the drawings, the dashed broken lines illustrate environmental subject structure and, in FIG. 5, depict the edges of an enlarged partial view. The dash-dot-dot-dash lines illustrate the peripheral boundary of the claim. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 